scatter communication — scatter communication, long distance communication using the troposphere or other areas of atmospheric ionization to deflect radio waves over a long distance … Useful english dictionary
Troposphere — The troposphere is the lowest portion of Earth s atmosphere. It contains approximately 75% of the atmosphere s mass and almost all of its water vapor and aerosols. The average depth of the troposphere is about 11 km (7 miles) in the middle… … Wikipedia
forward scatter — The scattering of radiated energy into the hemisphere of space bounded by a plane normal to the direction of the incident radiation and lying on the side toward which the incident radiation was advancing. The opposite of backward scatter. In… … Aviation dictionary
Tropospheric scatter — (or troposcatter) is the scattering of distant TV and FM radio stations by the troposphere so that they travel farther than the line of sight. This effect sometimes allows reception of stations up to a hundred miles away.The phenomenon has been… … Wikipedia
tropospheric scatter — Telecommunications. transmission of radio frequency signals that have been scattered from irregularities in the troposphere to locations hundreds of kilometers distant. [1950 55] * * * tropospheric scatter, a way of transmitting radio, television … Useful english dictionary
tropospheric scatter — ☆ tropospheric scatter n. scattering in the earth s troposphere, used in scatter communication at VHF and UHF for ranges beyond line of sight … English World dictionary
tropospheric scatter/troposcatter — The propagation of electromagnetic waves by scattering as a result of irregularities or discontinuities in the physical properties of the troposphere. At the frequencies above 150 MHz, the atmosphere has a scattering effect on electromagnetic… … Aviation dictionary
forward scatter — forward scatter, the scattering of radio waves which pass into the troposphere or ionosphere by a combination of reflection, refraction, and diffraction. It tends to direct the waves forward and downward, thus enabling the transmission of radio… … Useful english dictionary
tropospheric scatter — Telecommunications. transmission of radio frequency signals that have been scattered from irregularities in the troposphere to locations hundreds of kilometers distant. [1950 55] * * * … Universalium
diffusion troposphérique — troposferinė sklaida statusas T sritis Gynyba apibrėžtis Fizinė troposferos ypatybė išsklaidyti elektromagnetines bangas. atitikmenys: angl. troposphere scatter pranc. diffusion troposphérique … NATO terminų aiškinamasis žodynas